<!DOCTYPE html>
<html lang="en">

<head>
  <meta charset="UTF-8">
  <meta http-equiv="X-UA-Compatible" content="IE=edge">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Document</title>
  <link rel="stylesheet" href="/static/lib/layui/css/layui.css">
</head>

<body>
  <div style="margin: 20px;">
    <span class="layui-breadcrumb">
      <a href="/home">首页</a>
      <a href="/cateList">分类管理</a>
      <a><cite>编辑分类</cite></a>
    </span>
    <div id="add" style="margin-top: 10px;max-width: 600px">
      <form class="layui-form" action="">
        <div class="layui-form-item">
          <label class="layui-form-label">分类标题</label>
          <div class="layui-input-block">
            <input type="text" 
              value="<%= cate.cateName %>"
              name="cateName" required lay-verify="required" placeholder="请输入标题" autocomplete="off"
              class="layui-input">
            <input type="hidden" name="_id" value="<%= cate._id %>">
          </div>
        </div>

        <div class="layui-form-item">
          <label class="layui-form-label">父级分类</label>
          <div class="layui-input-block">
            <select name="pid" lay-verify="required">
              <option value="">请选择</option>
              <% for(var i=0;i<cates.length;i++) { %>
                <option 
                  <%= cates[i]._id == cate.pid && 'selected' %>
                  value="<%= cates[i]._id %>">
                  <%= cates[i].cateName %>
                </option>
                <% } %>
            </select>
          </div>
        </div>
        <div class="layui-form-item">
          <label class="layui-form-label">分类图标</label>
          <div class="layui-input-block">
            <button type="button" class="layui-btn" id="upload">
              <i class="layui-icon">&#xe67c;</i>上传图片
            </button>
            <img src="<%= cate.cateIcon %>" width="100" id="img" alt="">
          </div>
        </div>
        <div class="layui-form-item layui-form-text">
          <label class="layui-form-label">分类描述</label>
          <div class="layui-input-block">
            <textarea name="cateDesc" placeholder="请输入内容" class="layui-textarea"><%= cate.cateDesc %>
            </textarea>
          </div>
        </div>
        <div class="layui-form-item">
          <div class="layui-input-block">
            <button class="layui-btn" lay-submit lay-filter="formDemo">立即提交</button>
            <button type="reset" class="layui-btn layui-btn-primary">重置</button>
          </div>
        </div>
      </form>
    </div>
  </div>
  <script src="/static/lib/layui/layui.js"></script>
  <script>
    layui.use(['element', 'form', 'jquery', 'layer', 'upload'], function () {
      var element = layui.element;
      var form = layui.form;
      var $ = layui.jquery;
      var layer = layui.layer;
      var upload = layui.upload;
      var cateIcon = "<%= cate.cateIcon %>";
      //执行实例
      var uploadInst = upload.render({
        elem: '#upload' //绑定元素
        , url: '/upload/' //上传接口
        ,field:'img'
        , done: function (res) {
          //上传完毕回调
          console.log(res)
          cateIcon = res.data.filePath;
          $("#img").attr('src', res.data.filePath)
        }
        , error: function () {
          //请求异常回调
        }
      });
      //监听提交
      form.on('submit(formDemo)', function (data) {
        data.field.cateIcon = cateIcon;
       
        delete data.field.img;
        console.log(data.field)
        $.ajax('/cateEdit', {
          type: 'POST',
          data: data.field,
          dataType: 'json',
          success: function (res) {
            console.log(res)
            if (res.code === 0) {
              // 成功了
              layer.msg(res.msg, { icon: 1, time: 2000 }, function () {
                // location.reload()
                location.href="/cateList";
              })
            } else {
              layer.msg('修改失败')
            }
          }
        }) 

        /* 
        隐藏域
        <input type="hidden"/>
        */
        return false;
      });
    })
  </script>
</body>

</html>